Switch to USES=libtool. Fix plist with make-check-plist, make sure there
is not a orphan include/dbus dir.


git-svn-id: svn://creme-brulee.marcuscom.com/ports-experimental/trunk@19557 df743ca5-7f9a-e211-a948-0013205c9059
Allow portrevision to be overwritten by slave ports.


git-svn-id: svn://creme-brulee.marcuscom.com/ports-experimental/trunk@19558 df743ca5-7f9a-e211-a948-0013205c9059